Both Pac and Mayweather Jr played the " Get every advantage possible " card during the mid to latter stages of their career thus, neither deserve to be in anyone's top 30, much less top ten.
There are a lot more than that who have just as good chance as the names you mentioned. Jimmy Wilde Jimmy McLarnin Packey Mcfarland Barney Ross Kid Gavilan Joe Gans Canzoneri And I'm just scratching the surface here ... Very long History in this great sport
My question to you is , How many else in your " 10 Greatest Boxer of all time" list has this ? Eight (8) Division World champion ! that is This content is protected 12345678
Besides Jimmy Wilde, I'm sure we could find many other flyweights throughout history, who would beat a 19-20 year old Pacquiao… but what has that got to do with his all-time standing?